<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="../js/vue.js"></script>
</head>
<body>
    <div id="root" :x="n">
        <h2>当前的n值是：{{n}}</h2>
        <button @click="add">点我n+1</button>
        <button @click="bye">点我销毁vm</button>
    </div>
    <script>
        Vue.config.productionTip = false

        new Vue({
            el:"#root",
            // template:`
            // <div>
            //     <h2>当前的n值是：{{n}}</h2>
            //     <button @click="add">点我n+1</button>
            // </div>
            // `,
            data:{
                n:1
            },
            methods: {
                add(){
                    this.n++
                },
                bye(){
                    console.log('bye');
                    this.$destroy()
                }
            },
            beforeCreate() {
              console.log('beforeCreate');  
            //   debugger;  
            },
            created() {
                console.log('created');
                console.log(this);
                //debugger
            },
            beforeMount() {
                console.log('beforeMount');
                console.log(this);
                //debugger
            },
            mounted() {
                console.log('mounted');
                console.log(this);
                //debugger
            },
            beforeUpdate() {
                console.log('beforeUpdate');
                console.log(this.n);
                //debugger
            },
            updated() {
                console.log('updated');
                console.log(this.n);
            },
            beforeDestroy() {
                console.log('beforeDestroy');
            },
            destroyed() {
                console.log('destroyed');
            },
        })
    </script>
</body>
</html>